关于access和mschart数据方面的问题
Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Call accessdelete()
Dim sConn As String = "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source=tu.mdb"
Dim myConnection As New OleDbConnection(sConn)
Dim myCommand As String = "Select * from tu"
myConnection.Open()
Dim custDA As New OleDbDataAdapter(myCommand, myConnection)
Dim custDS As New DataSet()
custDA.Fill(custDS, "tu")
Dim firstView As New DataView
firstView = custDS.Tables("tu").DefaultView
Chart1.Series("A班").Points.DataBindXY(firstView, "日期", firstView, "A")
Chart1.Series("B班").Points.DataBindXY(firstView, "日期", firstView, "B")
Chart1.Series("C班").Points.DataBindXY(firstView, "日期", firstView, "C")
custDS.Clear()
custDS.Dispose()
custDA.Dispose()
&nbs
相关问答:
哪里出错了,输出这样的结果??
<%@ Page Language="VB" AutoEventWireup="false" aspcompat="true" CodeFile="Default.aspx.vb" Inherits="_Default" %&g ......
麻烦各位帮忙看看啊
代码如下:
CoInitialize(NULL);
_ConnectionPtr pConn(__uuidof(Connection));
_RecordsetPtr pRst(__uuidof(Recordset));
pConn->ConnectionString="Provider ......
我在CB练创建ACCESS文件,
采用的下列代码,我专门先做个小程序测试,一切正常。
然后在加载到1个软件中,
传入的变量MDB_PathName也是正确的。
但在执行
mdb.OleFunction("Create", ......
jsp开发的时候能够导出word和excel,但是是否能够直接导出为acess格式、dbf格式的文件?
高手指点下,最好能够给个例子,谢谢!!!
javadbf这个jar一切问题解决了。
下载地址为:http://sarovar.org/projects/ ......
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包含文件xx.asp、xxsave.asp、conn.asp以及student1.mdb和表xxgl……
xx.asp为:
<html>
<hea ......